I happen to know the Answer to your Question, since I upgraded my
sister's video card last year, and spent some time on the phone with
an nVidia rep. One of the things we discussed was exactly this
question. nVidia does not actually make the graphics cards; they make
the GPUs, which are then integrated with cards by 3rd-party resellers.
According to the nVidia rep, even if they show the nVidia name, the
cards are *always* from another company, such as MSI, eVGA, or PNY.
I can attest from my own experience that the identity of the 3rd-party
company is not always easily discernible by inspection of the box or
(Note that when purchasing a video card, you need to determine whether
your system requires a AGP or PCI-E card interface:
from t-break: PCI-E Bandwagon, you can see a picture showing both
types of card connectors:
Other products made by nVidia include MCPs (media and communications
processors) and AMD chipsets for motherboards.
You can see the full line of their products here:
For nVidia Support:
nVidia Contact information:
Google Image Search
"AGP * vs PCI-E" OR "PCI-E vs AGP"
Before Rating this Answer, if you have any questions about the
information that I have presented, please post a Request for
Clarification, and I will be glad to see what I can do for you.
I hope that this Answer provides you with exactly the information
which you were seeking!